Poly-Tussin EX Syrup Side Effects

Note: This page contains side effects data for the generic drug dihydrocodeine / guaifenesin / phenylephrine. It is possible that some of the dosage forms included below may not apply to the brand name Poly-Tussin EX Syrup.

Applies to dihydrocodeine / guaifenesin / phenylephrine: syrup

Check with your doctor if any of these most COMMON side effects persist or become bothersome: